Chaperonin Nucleotide Sensing Loop (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Berkeley Lab researchers at the Advanced Light Source have discovered a nucleotide-sensing loop that synchronizes conformational changes in the three domains of group II chaperonin for the proper folding of other proteins. Credit Image courtesy of Berkeley Lab Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.